Apparatus for separating liquids of different specific gravity



Jan. 8, 1929.

F P |NK APPARATUS FOR SEPARATING LIQUIDS OF DIFFERENT SPECIFIC GRAVITY Filed Jan. 26, 1925 ZSheets-Sheet 1 l In, I I r J 0 Ffi Jan. 8, 1929. 1,698,067

F. PINK APPARATUS FOR SEPARATING LIQUIDS OF DIFFERENT SPECIFIC GRAVITY File d Jan. 26, 1925 2 Sheets-Sheet 2 Fig.4.

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Patented Jan. 8, 1929.

.. FRANK PINK, OF PORTSMGUTH, ENGLAND.

APPARATUS FORV'SEPARATING LIQUIDS or DIFFERENT srncrrro GRAV TY.

Application filed January 26, 1925, Serial No. 4,83 0, and in Great Britain March 20, 1924.

The present invention relates to apparatus for separating liquids of different specific gravity.

In apparatus for carrying out separation of liquids of different specific gravity as described in my prior'application Serial No.

According to the present invention ap paratus of the kind described in my prior application aforesaid is modified to provide for the separation of liquids of different specific gravity wherein'the lighter liquid or a lighter liquid is the continuous flow liquid and thehe'avier liquid is discharged or withdrawn intermittently through a valve device. 7 v

The discharge or withdrawal or" the heavier liquid may be automatically controlled by, for example,the level of the heavier liquid. Or the heavier liquid may be withdrawn by a manual operation of the valve device under guidance of an indicator shewing the respective levels of the lighter and heavier liquids.

The accompanying drawings illustrate.

diagrammatically two forms of apparatus according to the present invention, the dis charge or withdrawal of'the heavier liquid being automatically controlled by the level of the heavier liquid.

Fig. 1 is a side view, Fig. 2a plan view with the top plate removed and Fig. 8 an end view of one form of apparatus, while Figs. 4 and 5 are side and plan views respectively of another form of apparatus.

As shewn in Figs. 1 to 3 inclusive of the drawings there is provided a closed chamber 1, having baffles 2 stopping short of the top and bottom of the tank. An inlet 3 for the mixture is provided atone end. At the other end and at or adjacent the top of the chamber is an outlet 4 for the lighter liquid and at the bottom of the chamber and,

at the inlet mixture end is a heavier liquid outlet 5 located in a well or float chamber 6. The outlet 5 has a valve control, as for example an automatically operated valve 7 under a float control 8, a lever connection 9 being interposed between the valve 7 and the float 8. Heating devices, such as steam coils 1Q and 11 may be provided in the chamber 1. i i

The chamber 1 has a sloping bottom 1*, the slope being towards the'well or float chamber 6. f 1 4 V In practice the chamber 1 is first filled with water up tofthe datum line DD and I thereafter filled with oil.

The mixture (oil and water) enters at 3 1 and passes over baflles to the'outlet 4. "The water in mixturefalls between} the balfles 2 to bottom of chamber and eventually collects in well or float chamber 6. When sutficient waterhas collected "above the datum. 1

line DD to operate the float 8 this" rises and opens the discharge valve 7 through the lever connection 9. The water then dis;

charges through the valve 7 until the'level';

of the water in the well or float chamber 6 sinks to the datum line DD when the valve 7 closes due to the sinking of the float 8.

The heavier liquid valve may .beof the float type which is let down by the lighter liquid and floated by the heavier liquid.

Now referring to Figs. 4 and 5 of the accompanying drawings this shews a form of apparatus which is well suited for inclusion 1 11 a gas works plant as a component. With this form it is possible to separate out three constituents of a mixture.

' This form of separator is divided into two. 8

compartments 12 and '13. The mixture is led into the compartment 12vby a path 14;, 15. Assuming the separator as a unit in a gas WOIkS plant in the compartment 12 light 011 is discharged at 16. The heavy oil and water passes from the compartment 12 by way of the communicating passage 17. The heavy oil (tar) is then removed at 18 and the water at 19. As indicated the discharge 19 may communicate at 20 with a filter 21, or the water may be discharged through 22 unfiltered. Baflies 2 may be provided in both compartments 12 and 13. A float 8 controls the opening and closing of the discharge 18. The discharge 16 may have a manually or automatically operated valve.

In the forms shewn the float may not be directly connected .to' the valve but mechanical or electrical devices, controlled for actuation by movement of the float, may be used for operating the opening or closing of the valve. Mechanical or electrical devices of the a. cated at, the bottom of said vessel and at kind set out in my aforesaid application may be used'or modified for use with apparatus according to the present invention.

lVhat I claim is 1. An apparatus for separating liquids of different densities of the kind referred to comprising a horizontally elongated closed vesselinto-Whioh the mixture enters, a mixed liquid inlet located at one end of the vessel and an outlet for the lighter liquid located re-' mote from said inlet, the mixed liquid having an unrestricted substantially horizontal flow through the vessel from inlet to exit and the lighter liquid being under continuous flow, a discharge chamber for the heavier liquid '10- one end thereof, an outlet for the heavier liquid in said discharge chamber, and means controlling the opening and closing of said heavier liquid outlet, said means comprising j a valve proper,

a float, and a lever connection between the valve and the float, said valve functioning to automatically open said out- ,flet when there is an accumulation of the heavier liquid in the immediate vicinity thereof, and'to a'utomatically close said outw let when there is an accumulation of the lighter "liquid in the immediate vicinity V thereofl e r I 2. An apparatus for separating liquids of different densities of the kind referred to,

comprising a vessel of horizontal elongated form into Which the mixture enters, an mclinedway extending from end to end of said vessel, co-acting bafile plates of varying length disposed in roximity to said inclined Way, a mixed liquid inlet located at one end .of the vessel and an outlet for the lighter liquid located remote from said inlet, the mixed liquid having an unrestrlcted substantially horizontal flow through the vessel from inlet to exit and the lighter liquid being under continuous flow, a discharge chamber for the heavier liquid located at the bottom of said vessel and atone end thereof, an outlet for the heavier liquid in said discharge chamber, and a control valve for said heavier liquid outlet, functioning to au tomatically open said outlet when there'is an accumulation of the heavier liquid in the immediate vicinity thereof, and to automati- FRANK PINK. 

